Rock River Arms MR556 A4 5.56 11" Carbine
Rock River Arms MR556 A4 delivers modern sporting rifle performance in a compact 11" carbine platform. Chambered in 5.56 NATO with 30-round capacity and gray finish.
Rock River Arms MR556 A4 Carbine
The MR556 A4 represents a thoughtful approach to the modern sporting rifle. Rock River Arms has engineered this platform around proven ergonomics and reliable operation, making it suitable for both experienced shooters and those new to the platform.
Key Features
- Caliber: 5.56 NATO
- Barrel Length: 11 inches
- Magazine Capacity: 30 rounds
- Finish: Gray
- Platform: A4-style configuration
Design Philosophy
This carbine strikes a practical balance between maneuverability and velocity. The 11-inch barrel provides excellent handling characteristics while maintaining sufficient velocity for effective performance. The gray finish offers a modern aesthetic while providing practical corrosion resistance.
Practical Applications
The compact profile makes this rifle well-suited for home defense, sport shooting, and training applications. The A4 configuration provides familiar controls and ergonomics that shooters recognize across the platform.
Reliability
Rock River Arms builds their rifles to exacting standards. This carbine benefits from proven design principles and quality manufacturing, ensuring dependable performance when it matters.
Features
- short stroke gas piston
- hk416 upper receiver
- m-lok handguard
